CVE-2025-22037
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-22037
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-22037.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-22037
- Downstream
- Published
- 2025-04-16T15:15:56Z
- Modified
- 2025-08-09T20:01:27Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix null pointer dereference in allocpreauthhash()
The Client send malformed smb2 negotiate request. ksmbd return error response. Subsequently, the client can send smb2 session setup even thought conn->preauthinfo is not allocated. This patch add KSMBDSESSNEEDSETUP status of connection to ignore session setup request if smb2 negotiate phase is not complete.
- References
-
- https://www.zerodayinitiative.com/advisories/ZDI-25-310/
- https://git.kernel.org/stable/c/8f216b33a5e1b3489c073b1ea1b3d7cb63c8dc4d
- https://git.kernel.org/stable/c/b8eb243e670ecf30e91524dd12f7260dac07d335
- https://git.kernel.org/stable/c/c8b5b7c5da7d0c31c9b7190b4a7bba5281fc4780
- https://git.kernel.org/stable/c/ca8bed31edf728a662ef9d6f39f50e7a7dc2b5ad